How do you convert text into hex codes?

Look up each character's decimal number in the ASCII table, then convert that base-10 number to a base-16 hexadecimal code. For instance, letter 'g' has a decimal code of 103, which is 67 in hex.

What is the hex value of space in ASCII?

The space character is mapped to decimal 32, which is 20 in hexadecimal (often written as 0x20 or %20).

What is the hex code for letter A in ASCII?

The uppercase letter 'A' is decimal 65, which corresponds to 41 in hexadecimal (0x41). Lowercase 'a' is decimal 97, which corresponds to 61 in hex (0x61).

How to convert ASCII text string to hex online?

To convert an ASCII text string to hex online, enter any text into the conversion box above and click Convert. Each character will be converted into its corresponding 2-digit byte code (e.g., 'Hi' becomes '48 69').

Text System Tutorial Updated July 2026

ASCII to Hex Converter — How to Convert Text to Hexadecimal

A comprehensive guide explaining the mapping of characters to base-16 hexadecimal codes, with examples and charts.

Try it: ASCII Text to Hex mini-calculator

Hex Result: 56 65 72 63 65 6C

Popular Conversions (Click to test):

Popular ASCII Text to Hexadecimal Reference Table

Below is an instant lookup table answering top search queries like space in hex, ascii to hexadecimal, and letter A in hex code. Click any row to test the character in the converter above.

ASCII Character / Text	Hex Byte Code	Decimal	Meaning / Note
[Space] / space in hex	20 (0x20)	32	Word separator character
A / 'A' in hex	41 (0x41)	65	First uppercase alphabet letter
a / 'a' in hex	61 (0x61)	97	First lowercase alphabet letter
0 / '0' in hex	30 (0x30)	48	Digit zero symbol

Understanding the Hex encoding.

Hexadecimal (base-16) is frequently used in computer science to display data in a shorter, more human-readable format than raw binary.

Converting text to hexadecimal involves looking up the ASCII decimal value of each character, and then converting that decimal value into a 2-digit hex code.

ASCII to Hex steps.

Take a character from your string (e.g. 'V').
Look up its decimal character code: 86.
Convert the decimal code (86) to hexadecimal:
86 ÷ 16 = 5 with remainder 6 ➔ hex character is 56₁₆
Write down the resulting 2-digit hex sequence: 56.
Repeat this process for every character in the string.

ASCII to Hex Table

Char	Dec	Hex
V	86	56
e	101	65
r	114	72
c	99	63
e	101	65
l	108	6C

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